天文學家們發現了一個幾乎沒有暗物質的星系。

Astronomers have discovered a galaxy that has almost no dark matter.

Source: Tatoeba

Sentence Composition

1 天文學家 tiānwénxuéjiā astronomer
2 們 men plural marker for pronouns, and nouns referring to individuals
3 發現 fāxiàn
  1. to notice; to become aware of
  2. to discover; to find; to detect
  3. a discovery
=4 了 le
  1. (completed action marker)
  2. (modal particle indicating change of state, situation now)
  3. (modal particle intensifying preceding clause)
=4 了 liǎo
  1. to finish
  2. (used with 得 dé or 不 bù after a verb to express (im)possibility, as in 忘不了 wàngbuliǎo "cannot forget")
  3. (literary) (usually followed by a negative such as 無 wú or 不 bù) completely (not); entirely (not); (not) in the least
  4. to understand clearly (variant of 瞭 liǎo)
=4 了 liǎo
  1. (of eyes) bright
  2. clear-sighted
  3. to understand clearly
=4 了 liào unofficial variant of 瞭 liào
=5 一個 yīge
  1. a; an; one
  2. the whole (afternoon, summer vacation etc)
=5 一個 yīgè
  1. Combination of the numeral 一 (“one”) and the generic classifier 個／个: a; an; one
  2. same
6 幾乎 jīhū almost; nearly; practically
7 沒有 méiyǒu
  1. haven't
  2. hasn't
  3. doesn't exist
  4. to not have
  5. to not be
8 暗物質 ànwùzhì (physics) dark matter
=9 的 de
  1. of; ~'s (possessive particle)
  2. (used after an attribute when it modifies a noun)
  3. (used at the end of a declarative sentence for emphasis)
  4. (used after a noun, verb or adjective to form a nominal expression, as in 皮革的 pígéde "one made of leather" or 跑堂兒的 pǎotángrde "a waiter (literally, one who runs back and forth in a restaurant)" or 新的 xīnde "new one")
  5. also pr. dì or di in poetry and songs
=9 的 dī a taxi; a cab (abbr. for 的士 dīshì)
=9 的 dí really and truly
=9 的 dì (bound form) bull's-eye; target
10 星系 xīngxì see 恆星系 héngxīngxì